Invention Application
- Patent Title: STAINLESS STEEL SHEET FOR FUEL CELL SEPARATORS AND PRODUCTION METHOD THEREFOR
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Application No.: US16489881Application Date: 2018-04-02
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Publication No.: US20200340126A1Publication Date: 2020-10-29
- Inventor: Takayoshi YANO , Shin ISHIKAWA
- Applicant: JFE STEEL CORPORATION
- Applicant Address: JP Chiyoda-ku Tokyo
- Assignee: JFE STEEL CORPORATION
- Current Assignee: JFE STEEL CORPORATION
- Current Assignee Address: JP Chiyoda-ku Tokyo
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@78167541
- International Application: PCT/JP2018/014154 WO 20180402
- Main IPC: C23F17/00
- IPC: C23F17/00 ; C23F1/28 ; C25F1/06 ; H01M8/021 ; H01M8/0247 ; C22C38/50 ; C22C38/48 ; C22C38/44 ; C22C38/42 ; C22C38/06 ; C22C38/04 ; C22C38/02 ; C22C38/00
Abstract:
A stainless steel sheet for fuel cell separators comprises a predetermined chemical composition, wherein the stainless steel sheet has a textured structure at a surface thereof, an average interval between projected parts of the textured structure being 20 nm or more and 200 nm or less, and a ratio [Cr]/[Fe] of an atomic concentration of Cr existing in chemical form other than metal to an atomic concentration of Fe existing in chemical form other than metal at the surface of the stainless steel sheet is 2.0 or more.
Public/Granted literature
- US11085120B2 Stainless steel sheet for fuel cell separators and production method therefor Public/Granted day:2021-08-10
Information query
IPC分类:
